Sony PS-Q3: Difference between revisions

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Capacitors are quality brand and before the capacitor plauge, so it is unlikely they leak. My device has a speed problem, and I run out of ideas, so I decided to replace the few caps it has.
Capacitors are quality brand and before the capacitor plauge, so it is unlikely they leak. My device has a speed problem, and I run out of ideas, so I decided to replace the few caps it has.
====Causes====
====Causes====
*Main belt turns into goo
*Main belt turns into goo
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Be careful with the screws, they screw into plastic and they can get brittle. Follow the arrows on the unit otherwise, just as with any Sony device. After removing the screws, the top shell comes off. Make sure to remove the cartridge first to give it enough room.  
Be careful with the screws, they screw into plastic and they can get brittle. Follow the arrows on the unit otherwise, just as with any Sony device. After removing the screws, the top shell comes off. Make sure to remove the cartridge first to give it enough room.  
==Original Parts==
==Original Parts==
===Basic PCB Name===
''Note model numbers and board revisions here''
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
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|}
|}
==Replacement Parts==
==Replacement Parts==
=== Belts ===
=== Belts ===
Exact original belt sizes are either unknown (main belts) or impossible to source (arm belt). These are the ones I managed to source easily, the main belts are from a local shop who supply them based on inner circumference, the arm belt is from ebay found as "D13".
Exact original belt sizes are either unknown (main belts) or impossible to source (arm belt). These are the ones I managed to source easily, the main belts are from a local shop who supply them based on inner circumference, the arm belt is from ebay found as "D13".
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|Should be thinner, maybe shorter
|Should be thinner, maybe shorter
|}
|}
==Related Links==
==Related Links==
*[https://elektrotanya.com/sony_ps-q3.pdf/download.html Service Manual on elektrotanya]
*[https://elektrotanya.com/sony_ps-q3.pdf/download.html Service Manual on elektrotanya]
*[https://www.turntableneedles.com/search.asp?keyword=ps+q3 Main belt sizes were estimated based on turntableneedles.com's listings]
*[https://www.turntableneedles.com/search.asp?keyword=ps+q3 Main belt sizes were estimated based on turntableneedles.com's listings]
==References==
<references />
[[Category:WorkNeeded:General]]
[[Category:WorkNeeded:General]]
[[Category:WorkNeeded:OriginalParts]]
[[Category:WorkNeeded:OriginalParts]]
[[Category:WorkNeeded:ReplacementParts]]
[[Category:WorkNeeded:ReplacementParts]]

Revision as of 18:37, 14 August 2022

This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
This device is in the WorkNeeded:ReplacementParts category because it was flagged as missing information on replacement parts. If it has the original parts listed you may be able to search for replacements using the parametric searches available from parts distributors. If you have or make a list of replacement parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
This device is in the WorkNeeded:General category because it was flagged as missing general information about the device. The information may be incomplete, using default text, or inaccurate and should be verified with external sources if possible. If you can add or correct information on this page, please feel free to edit it and do so.
Sony PS-Q3
Preliminary Information
Release Year 1984
Leak Risk Medium
Batteries None
Mounting Technology Through Hole
Capacitor Types Aluminum Electrolytic, Ceramic
Destructive Entry No

Sony PS-Q3 is one of the miniature Sony record players, the cheapest model of the 3 (others being the PS-Q5 and PS-Q7). The PS-Q3 is a belt driven, fully automatic device.

Known Issues

Symptom or Problem Encountered

Turntable not moving, arm not moving.

Capacitors are quality brand and before the capacitor plauge, so it is unlikely they leak. My device has a speed problem, and I run out of ideas, so I decided to replace the few caps it has.

Causes

  • Main belt turns into goo
  • Arm belt dries out

Solutions

  • Replace all belts

Disassembly Notes

Be careful with the screws, they screw into plastic and they can get brittle. Follow the arrows on the unit otherwise, just as with any Sony device. After removing the screws, the top shell comes off. Make sure to remove the cartridge first to give it enough room.

Original Parts

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C101 1 1000 µF 16 V Through Hole Radial 13 mm 25 mm 5 mm Nichicon SE (M)
C102 1 100 µF 16 V Through Hole Radial 8.5 mm 12 mm 5 mm ? SM 4D
C103 1 47 µF 16 V Through Hole Radial 6.5 mm 7 mm 5 mm 85 Enla ? (yellow sleeve)
C104 1 10 µF 16 V Through Hole Radial 4 mm 7.5 mm 4.5 mm 85 Enla ? (yellow sleeve)
C105, C106 2 100 µF 6.3V Through Hole Radial 6.5 mm 7 mm 5 mm 85 Enla ? (yellow sleeve)
C107 1 470 µF 6.3V Through Hole Radial 10 mm 13 mm 5 mm Nichicon SE (M)
C108 1 22 µF 6.3 V Through Hole Radial 4 mm 8 mm 4 mm 85 Enla ? (yellow sleeve)
C110 1 2.2 µF 50V Through Hole Radial 4 mm 8 mm 4 mm 85 Nichicon ?

Replacement Parts

Belts

Exact original belt sizes are either unknown (main belts) or impossible to source (arm belt). These are the ones I managed to source easily, the main belts are from a local shop who supply them based on inner circumference, the arm belt is from ebay found as "D13".

Belt Cross section Diameter Inner Circumference Width Note
Main, short Square 30 mm 1.6 mm Perfect fit
Main, long Square 83 mm 1.2 mm Should be thicker, maybe shorter
Arm Square D13 20 mm 1.5 mm Should be thinner, maybe shorter

Related Links